aboutsummaryrefslogtreecommitdiffstats
path: root/libjulia
diff options
context:
space:
mode:
authorchriseth <chris@ethereum.org>2017-12-06 03:07:31 +0800
committerchriseth <chris@ethereum.org>2017-12-06 03:12:46 +0800
commit07825e90fa261660625fb3731f6283db83789e8b (patch)
treea4067f32d8094119d1800f5ab6d06977e7090b5d /libjulia
parentd34054ef582be09992e79a72125800484b25159f (diff)
downloaddexon-solidity-07825e90fa261660625fb3731f6283db83789e8b.tar
dexon-solidity-07825e90fa261660625fb3731f6283db83789e8b.tar.gz
dexon-solidity-07825e90fa261660625fb3731f6283db83789e8b.tar.bz2
dexon-solidity-07825e90fa261660625fb3731f6283db83789e8b.tar.lz
dexon-solidity-07825e90fa261660625fb3731f6283db83789e8b.tar.xz
dexon-solidity-07825e90fa261660625fb3731f6283db83789e8b.tar.zst
dexon-solidity-07825e90fa261660625fb3731f6283db83789e8b.zip
substitution
Diffstat (limited to 'libjulia')
-rw-r--r--libjulia/optimiser/Substitution.cpp39
-rw-r--r--libjulia/optimiser/Substitution.h51
2 files changed, 90 insertions, 0 deletions
diff --git a/libjulia/optimiser/Substitution.cpp b/libjulia/optimiser/Substitution.cpp
new file mode 100644
index 00000000..a49f1f7a
--- /dev/null
+++ b/libjulia/optimiser/Substitution.cpp
@@ -0,0 +1,39 @@
+/*
+ This file is part of solidity.
+
+ solidity is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ solidity is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with solidity. If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * Specific AST copier that replaces certain identifiers with expressions.
+ */
+
+#include <libjulia/optimiser/Substitution.h>
+
+#include <libsolidity/inlineasm/AsmData.h>
+
+using namespace std;
+using namespace dev;
+using namespace dev::julia;
+
+Statement Substitution::translate(Statement const& _statement)
+{
+ if (_statement.type() == typeid(Identifier))
+ {
+ string const& name = boost::get<Identifier>(_statement).name;
+ if (m_substitutions.count(name))
+ // No recursive substitution
+ return ASTCopier().translate(*m_substitutions.at(name));
+ }
+ return ASTCopier::translate(_statement);
+}
diff --git a/libjulia/optimiser/Substitution.h b/libjulia/optimiser/Substitution.h
new file mode 100644
index 00000000..10bdf32e
--- /dev/null
+++ b/libjulia/optimiser/Substitution.h
@@ -0,0 +1,51 @@
+/*
+ This file is part of solidity.
+
+ solidity is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ solidity is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with solidity. If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * Specific AST copier that replaces certain identifiers with expressions.
+ */
+
+#pragma once
+
+#include <libjulia/optimiser/ASTCopier.h>
+
+#include <string>
+#include <map>
+#include <set>
+
+namespace dev
+{
+namespace julia
+{
+
+/**
+ * Specific AST copier that replaces certain identifiers with expressions.
+ * Only works on ASTs that are expressions.
+ */
+class Substitution: public ASTCopier
+{
+public:
+ Substitution(std::map<std::string, Statement const*> const& _substitutions):
+ m_substitutions(_substitutions)
+ {}
+ virtual Statement translate(Statement const& _statement) override;
+
+private:
+ std::map<std::string, Statement const*> const& m_substitutions;
+};
+
+}
+}